/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header and Navigation */
header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.8rem;
    color: #2563eb;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #2563eb;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 5rem 0;
    text-align: center;
}

.hero-headline {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subheadline {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-visual {
    margin: 2rem 0;
}

.dashboard-placeholder {
    background-color: rgba(255,255,255,0.1);
    border: 2px dashed rgba(255,255,255,0.3);
    padding: 3rem;
    border-radius: 10px;
    max-width: 600px;
    margin: 0 auto;
}

.dashboard-placeholder p {
    font-size: 1.2rem;
    margin: 1rem 0;
}

.cta-button {
    display: inline-block;
    background-color: #fff;
    color: #667eea;
    padding: 1rem 2.5rem;
    font-size: 1.2rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: transform 0.3s, box-shadow 0.3s;
    margin-top: 1rem;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

/* Problem Section */
.problem {
    padding: 5rem 0;
    background-color: #f9fafb;
}

.problem h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1f2937;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.problem-item {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.problem-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

.problem-item p {
    color: #6b7280;
    font-size: 1.1rem;
}

/* Features Section */
.features {
    padding: 5rem 0;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1f2937;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
}

.feature-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.feature-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

.feature-item p {
    color: #6b7280;
    font-size: 1.1rem;
}

/* Value Proposition Section */
.value-proposition {
    padding: 5rem 0;
    background-color: #f9fafb;
}

.value-proposition h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1f2937;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.value-item {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.value-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #059669;
}

.value-item p {
    color: #6b7280;
}

/* CTA Section with Form */
.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section > .container > p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.waitlist-form {
    max-width: 500px;
    margin: 0 auto;
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #1f2937;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
}

.form-group input.error {
    border-color: #ef4444;
}

.error-message {
    display: block;
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    min-height: 1.25rem;
}

.submit-button {
    width: 100%;
    padding: 1rem;
    background-color: #667eea;
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
}

.submit-button:hover {
    background-color: #5568d3;
    transform: translateY(-2px);
}

.submit-button:disabled {
    background-color: #9ca3af;
    cursor: not-allowed;
    transform: none;
}

/* Footer */
.footer {
    background-color: #1f2937;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.footer-section p {
    margin: 0.5rem 0;
    color: #d1d5db;
}

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-headline {
        font-size: 2rem;
    }

    .hero-subheadline {
        font-size: 1.2rem;
    }

    .nav-menu {
        gap: 1rem;
    }

    .problem h2,
    .features h2,
    .value-proposition h2,
    .cta-section h2 {
        font-size: 2rem;
    }

    .dashboard-placeholder {
        padding: 2rem;
    }

    .dashboard-placeholder p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .hero {
        padding: 3rem 0;
    }

    .hero-headline {
        font-size: 1.5rem;
    }

    .hero-subheadline {
        font-size: 1rem;
    }

    .cta-button {
        padding: 0.75rem 2rem;
        font-size: 1rem;
    }
}